Oil Pump Active On Demand Coupling (AOC), Replacing

Oil pump active on demand coupling (AOC), replacing

Note! As the illustrations in this service information are used for different model years and/or models, some variation may occur. However, the essential information is always correct.

Preparatory work

Removing components

Remove:
- the propeller shaft and the exhaust system. See: Final Drive, Replacing
- the flange from the active on demand coupling (AOC). See: Pinion seal coupling (AOC), replacing, TF-80SC AWD Pinion Seal Coupling (AOC), Replacing.

Removal

Removing the oil pump
Ignition off

Note! Thoroughly clean around the oil pump before beginning removal.




Place a container under the active on demand coupling (AOC).

Remove:
- the connector from the Differential Electronic Module (DEM) to the active on demand coupling (AOC)
- the cable harness mountings.
Remove the two screws from the oil pump. Pull the pump straight out from the active on demand coupling (AOC).

Note! Later versions of the oil pump have the socket for the cable harness on the side of the oil pump housing. The cable harness is shorter. This version supersedes all previous versions, including as a replacement part.

Installation

Note! For tightening torques, see Tightening Torque

Installing oil pump




Thoroughly check that the oil pump seat in the active on demand coupling (AOC) is clean. There must be no residue left from cloths or paper.




Check that the new O-rings are in position. Lubricate the O-rings. Use oil for the active on demand coupling (AOC). See: Oil Pump Active On Demand Coupling (AOC), Replacing




Install the oil pump. Press the pump in as far as possible. Lightly install the 2 x M5 screws for the pump alternately. Tighten. See: Tightening Torque
Connect the connector.

Filling and checking the oil level
Top up and check the oil level in the active on demand coupling (AOC), the front level plug.
Use oil. See: Oil Pump Active On Demand Coupling (AOC), Replacing
Tighten the level plug according to: Tightening Torque
Install the propeller shaft and the exhaust system. See: Final drive, replacing Final Drive, Replacing.